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SNTP Server Configuration

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GS108T and GS110TP Smart Switch Software Administration Manual Table 2-2. SNTP Global Status Fields (continued) Field Description Last Attempt Status Server IP Address Address Type Server Stratum Reference Clock Id Server Mode Unicast Sever Max Entries Unicast Server Current Entries Specifies the status of the last SNTP request or unsolicited message for both unicast mode. If no message has been received from a server, a status of Other is displayed. These values are appropriate for all operational modes: • Other: None of the following enumeration values. • Success: The SNTP operation was successful and the system time was updated. • Request Timed Out: A directed SNTP request timed out without receiving a response from the SNTP server. • Bad Date Encoded: The time provided by the SNTP server is not valid. • Version Not Supported: The SNTP version supported by the server is not compatible with the version supported by the client. • Server Unsynchronized: The SNTP server is not synchronized with its peers. This is indicated via the 'leap indicator' field on the SNTP message. • Server Kiss Of Death: The SNTP server indicated that no further queries were to be sent to this server. This is indicated by a stratum field equal to 0 in a message received from a server. Specifies the IP address of the server for the last received valid packet. If no message has been received from any server, an empty string is shown. Specifies the address type of the SNTP Server address for the last received valid packet. Specifies the claimed stratum of the server for the last received valid packet. Specifies the reference clock identifier of the server for the last received valid packet. Specifies the mode of the server for the last received valid packet. Specifies the maximum number of unicast server entries that can be configured on this client. Specifies the number of current valid unicast server entries configured for this client. Click Refresh to refresh the page with the most current data from the switch. SNTP Server Configuration Use the SNTP Server Configuration page to view and modify information for adding and modifying Simple Network Time Protocol SNTP servers. To display the SNTP Server Configuration page, click System  Management  Time  SNTP Server Configuration. Configuring System Information 2-9 v1.0, April 2010

Section	Page
GS108T and GS110TP Smart Switch Software Administration Manual	1
Contents	5
About This Manual	11
Audience	11
Organization	11
Conventions, Formats and Scope	12
How to Print this Manual	14
Revision History	14
Chapter 1 Getting Started	15
Switch Management Interface	15
Connecting the Switch to the Network	16
Switch Discovery in a Network with a DHCP Server	17
Switch Discovery in a Network without a DHCP Server	19
Configuring the Network Settings on the Administrative System	21
Web Access	22
Smart Control Center Utilities	23
Network Utilities	23
Configuration Upload and Download	24
Firmware Upgrade	26
Viewing and Managing Tasks	28
Understanding the User Interfaces	29
Using the Web Interface	29
Navigation Tabs, Feature Links, and Page Menu	30
Configuration and Monitoring Options	31
Device View	32
Help Page Access	34
User-Defined Fields	34
Using SNMP	34
Interface Naming Convention	35
Chapter 2 Configuring System Information	37
Management	37
System Information	37
IP Configuration	39
Time	41
Time Configuration	42
SNTP Server Configuration	45
Denial of Service	48
Auto-DoS Configuration	48
DoS Configuration	49
DNS	51
DNS Configuration	51
Host Configuration	52
Green Ethernet Configuration	53
PoE (GS110TP Only)	54
PoE Configuration	55
PoE Port Configuration	56
Timer Global Configuration	58
Timer Schedule Configuration	59
SNMP	61
SNMPV1/V2	61
Community Configuration	61
Trap Configuration	63
Trap Flags	64
SNMP v3 User Configuration	65
LLDP	67
LLDP Configuration	67
LLDP Port Settings	69
LLDP-MED Network Policy	70
LLDP-MED Port Settings	72
Local Information	73
Neighbors Information	76
Services — DHCP Filtering	81
DHCP Filtering Configuration	81
Interface Configuration	82
Chapter 3 Configuring Switching Information	85
Ports	85
Port Configuration	85
Flow Control	88
Link Aggregation Groups	89
LAG Configuration	89
LAG Membership	91
LACP Configuration	92
LACP Port Configuration	93
VLANs	94
VLAN Configuration	95
VLAN Membership Configuration	96
Port VLAN ID Configuration	98
Voice VLAN	100
Voice VLAN Properties	100
Voice VLAN Port Setting	102
Voice VLAN OUI	103
Auto-VoIP	104
Spanning Tree Protocol	106
STP Switch Configuration	107
CST Configuration	109
CST Port Configuration	111
CST Port Status	113
Rapid STP	115
MST Configuration	116
MST Port Configuration	118
STP Statistics	121
Multicast	122
Auto-Video Configuration	122
IGMP Snooping	123
IGMP Snooping Configuration	124
IGMP Snooping Interface Configuration	125
IGMP Snooping Table	127
Multicast Forwarding Database Table	129
MFDB Statistics	130
IGMP Snooping VLAN Configuration	132
IGMP Snooping Querier	133
IGMP Snooping Querier Configuration	134
IGMP Snooping Querier VLAN Configuration	135
IGMP Snooping Querier VLAN Status	136
Forwarding Database	137
MAC Address Table	138
Dynamic Address Configuration	139
Static MAC Address	140
Chapter 4 Configuring Quality of Service	143
Class of Service	143
Basic CoS Configuration	144
CoS Interface Configuration	146
Interface Queue Configuration	147
802.1p to Queue Mapping	149
DSCP to Queue Mapping	151
Differentiated Services	152
Defining DiffServ	152
Diffserv Configuration	153
Class Configuration	155
Policy Configuration	159
Service Configuration	165
Service Statistics	166
Chapter 5 Managing Device Security	169
Management Security Settings	169
Change Password	170
RADIUS Configuration	171
Global Configuration	171
RADIUS Server Configuration	173
Accounting Server Configuration	175
Configuring TACACS+	178
TACACS+ Configuration	178
TACACS+ Server Configuration	179
Authentication List Configuration	181
Configuring Management Access	182
HTTP Configuration	183
Secure HTTP Configuration	184
Certificate Download	186
Access Profile Configuration	187
Access Rule Configuration	189
Port Authentication	191
802.1X Configuration	192
Port Authentication	193
Port Summary	198
Traffic Control	200
MAC Filter Configuration	200
MAC Filter Summary	202
Storm Control	203
Port Security Configuration	205
Port Security Interface Configuration	206
Security MAC Address	208
Protected Ports Membership	209
Configuring Access Control Lists	210
ACL Wizard	211
MAC ACL	212
MAC Rules	214
MAC Binding Configuration	216
MAC Binding Table	217
IP ACL	218
IP Rules	220
IP Extended Rule	221
IP Binding Configuration	226
IP Binding Table	227
Chapter 6 Monitoring the System	229
Ports	229
Switch Statistics	229
Port Statistics	232
Port Detailed Statistics	233
EAP Statistics	241
System Logs	242
Memory Logs	243
FLASH Log Configuration	245
Server Log Configuration	247
Trap Logs	249
Event Logs	250
Port Mirroring	252
Multiple Port Mirroring	252
Chapter 7 Maintenance	255
Reset	255
Device Reboot	255
Factory Default	256
Upload File From Switch	257
Download File To Switch	259
TFTP File Download	259
HTTP File Download	262
File Management	263
Dual Image Configuration	264
Dual Image Status	265
Troubleshooting	266
Ping	266
Traceroute	268
Chapter 8 Help	271
Online Help	271
Support	271
User Guide	272
Appendix A Hardware Specifications and Default Values	273
GS108T Gigabit Smart Switch and GS110TP Gigabit Smart Switch Specifications	273
GS108T and GS110TP Switch Features and Defaults	274
Appendix B Configuration Examples	279
Virtual Local Area Networks (VLANs)	279
VLAN Example Configuration	281
Access Control Lists (ACLs)	282
MAC ACL Example Configuration	282
Standard IP ACL Example Configuration	284
Differentiated Services (DiffServ)	285
Class	286
DiffServ Traffic Classes	286
Creating Policies	287
Traffic Conditioning Policy	287
DiffServ Example Configuration	288
802.1X	290
802.1X Example Configuration	292
MSTP	293
MSTP Example Configuration	295

Match case Limit results 1 per page

GS108T and GS110TP Smart Switch Software Administration Manual

Configuring System Information

2-9

v1.0, April 2010

Click

Refresh

to refresh the page with the most current data from the switch.

SNTP Server Configuration

Use the SNTP Server Configuration page to view and modify information for adding and

modifying Simple Network Time Protocol SNTP servers.

To display the SNTP Server Configuration page, click

System



Management



Time



SNTP

Server Configuration

Last Attempt Status

Specifies the status of the last SNTP request or unsolicited message for both

unicast mode. If no message has been received from a server, a status of

Other is displayed. These values are appropriate for all operational modes:

•

Other

: None of the following enumeration values.

•

Success

: The SNTP operation was successful and the system time was

updated.

•

Request Timed Out

: A directed SNTP request timed out without receiving

a response from the SNTP server.

•

Bad Date Encoded

: The time provided by the SNTP server is not valid.

•

Version Not Supported

: The SNTP version supported by the server is not

compatible with the version supported by the client.

•

Server Unsynchronized

: The SNTP server is not synchronized with its

peers. This is indicated via the 'leap indicator' field on the SNTP message.

•

Server Kiss Of Death

: The SNTP server indicated that no further queries

were to be sent to this server. This is indicated by a stratum field equal to 0

in a message received from a server.

Server IP Address

Specifies the IP address of the server for the last received valid packet. If no

message has been received from any server, an empty string is shown.

Address Type

Specifies the address type of the SNTP Server address for the last received

valid packet.

Server Stratum

Specifies the claimed stratum of the server for the last received valid packet.

Reference Clock Id

Specifies the reference clock identifier of the server for the last received valid

packet.

Server Mode

Specifies the mode of the server for the last received valid packet.

Unicast Sever Max Entries

Specifies the maximum number of unicast server entries that can be

configured on this client.

Unicast Server Current

Entries

Specifies the number of current valid unicast server entries configured for

this client.

Table

2-2.

SNTP Global Status Fields (continued)

Field

Description